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| author | Dan Williams | 2017-07-04 01:54:58 +0200 |
|---|---|---|
| committer | Dan Williams | 2017-07-04 01:54:58 +0200 |
| commit | 9d92573fff3ec70785ef1815cc80573f70e7a921 (patch) | |
| tree | bce6e6bbad56f805d1adcebddabf9dd9e8072ce4 /include/linux/device-mapper.h | |
| parent | libnvdimm, namespace: record 'lbasize' for pmem namespaces (diff) | |
| parent | libnvdimm, pmem: disable dax flushing when pmem is fronting a volatile region (diff) | |
| download | kernel-qcow2-linux-9d92573fff3ec70785ef1815cc80573f70e7a921.tar.gz kernel-qcow2-linux-9d92573fff3ec70785ef1815cc80573f70e7a921.tar.xz kernel-qcow2-linux-9d92573fff3ec70785ef1815cc80573f70e7a921.zip | |
Merge branch 'for-4.13/dax' into libnvdimm-for-next
Diffstat (limited to 'include/linux/device-mapper.h')
| -rw-r--r-- | include/linux/device-mapper.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index f4c639c0c362..67bfe8ddcb32 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -132,6 +132,10 @@ typedef int (*dm_busy_fn) (struct dm_target *ti); */ typedef long (*dm_dax_direct_access_fn) (struct dm_target *ti, pgoff_t pgoff, long nr_pages, void **kaddr, pfn_t *pfn); +typedef size_t (*dm_dax_copy_from_iter_fn)(struct dm_target *ti, pgoff_t pgoff, + void *addr, size_t bytes, struct iov_iter *i); +typedef void (*dm_dax_flush_fn)(struct dm_target *ti, pgoff_t pgoff, void *addr, + size_t size); #define PAGE_SECTORS (PAGE_SIZE / 512) void dm_error(const char *message); @@ -181,6 +185,8 @@ struct target_type { dm_iterate_devices_fn iterate_devices; dm_io_hints_fn io_hints; dm_dax_direct_access_fn direct_access; + dm_dax_copy_from_iter_fn dax_copy_from_iter; + dm_dax_flush_fn dax_flush; /* For internal device-mapper use. */ struct list_head list; |